MK II helmet with painted letters

[Pierre]

Hi ,
I have this 1939 dated MKII helmet with these letters painted (SP for stretcher party) but what do the other mean.
A.N.S.

A... N... & Sons
A... North Sector
Airship Naval Station

Thanks.

Pierre

[Bwetdude]

S.P. usually stands for SERVICE POLICE...

Like the M.P. (military police) but for the RCAF or other services.

I have an armband with S.P. / R.C.A.F. on it.

Now you have to figure out what ANS means.!

Air Naval Service??

[Pierre]

Hi Bwetdude.
SP was usually for "Shore Patrol" , MP for "Military police", "FSP" for Field Security Police but this is a tipycal "Home front", black painted helmet.
It's perhaps different in the Canadian Army.
In that case SP would be for "Stretcher Party". I don't think it is for Air Naval Service ( I thought at the beginning that it may be the Auxiliary Naval Service , but this was put up after WW2!.)
I'm pretty shure A.N.S is the name of a factory or perhaps A company - North Sector ( This existed in the city of Coventry where they had a lot of factories, and workers.
A mistery but I feel A... N... & Sons would be the correct answer.